Sum and product of an array: Difference between revisions
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(→{{header|Scala}}: ++ sather) |
m (→{{header|Scala}}: product must be mutable) |
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// (_ * _) is a shortcut for {(x,y) => x * y}</lang> |
// (_ * _) is a shortcut for {(x,y) => x * y}</lang> |
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It may also be done in a classic imperative way : |
It may also be done in a classic imperative way : |
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<lang scala>var sum = 0; |
<lang scala>var sum = 0; var product = 1 |
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for (val x <- a) sum = sum + x |
for (val x <- a) sum = sum + x |
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for (val x <- a) product = product * x</lang> |
for (val x <- a) product = product * x</lang> |
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